If the people from Konoha (Hidden Leaf Village) know that the Sound Village is Orochimaru's village, then why did they invite ninjas from the Sound to compete in the Chunin exams? -
The Maira-Sampeyre and Val Grana Allochthons (south Western Alps): review and new data on the tectonometamorphic evolution of the Briançonnais distal margin | Swiss Journal of Geosciences | Full Text